The present invention provides catalyst for polymerization of a propylene prepared from by using a solid catalyst component for polymerization of a propylene which is prepared by subjecting a dialkoxymagnesium (a), a tatravalent halogen-containing titanium compound (b), and a diester of maleic acid (c)...http://www.google.fr/patents/US6664209?utm_source=gb-gplus-shareBrevet US6664209 - Solid catalyst component for propylene polymerization and catalyst
Solid catalyst component for propylene polymerization and catalyst
